—I drove to Shanghai for the Expo last week.— Is that you had a few days off?A. becau

问题补充：

—I drove to Shanghai for the Expo last week.

— Is that you had a few days off?

A. because

B. why

C. what

D. where

答案：

A. because

(答案→)B. why

C. what

D. where

解析：可联系答.案.网客服索取。